Finding the Fourth Proportional to 157,766,584.80, 236,649,877.20 and 106,805,791.20
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Solution
The fourth proportional to 157,766,584.80, 236,649,877.20 and 106,805,791.20 is: 160,208,686.80
Step by Step Solution
- Step 1: Write the proportion equation
157,766,584.80 : 236,649,877.20 = 106,805,791.20 : x - Step 2: Convert to fraction form
157,766,584.80/236,649,877.20 = 106,805,791.20/x - Step 3: Cross multiply
157,766,584.80x = 236,649,877.20 × 106,805,791.20 - Step 4: Simplify right side
157,766,584.80x = 25,275,577,371,728,840 - Step 5: Solve for x
x = 25,275,577,371,728,840/157,766,584.80 - Step 6: Final answer
x = 160,208,686.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.